added tests

Author: DaniAkash

__tests__/index.unit.test.ts

@@ -0,0 +1,112 @@
+import React from "react";
+import {
+  responsiveHeight,
+  responsiveWidth,
+  responsiveFontSize,
+  responsiveScreenHeight,
+  responsiveScreenWidth,
+  responsiveScreenFontSize,
+  useResponsiveHeight,
+  useResponsiveWidth,
+  useResponsiveFontSize,
+  useResponsiveScreenHeight,
+  useResponsiveScreenWidth,
+  useResponsiveScreenFontSize
+} from "../lib/index";
+import { render, cleanup } from "@testing-library/react-native";
+
+afterEach(cleanup);
+
+describe("Testing common utils", () => {
+  it("responsiveHeight", () => {
+    const height = responsiveHeight(20);
+    expect(height).toBe(20);
+  });
+
+  it("responsiveWidth", () => {
+    const width = responsiveWidth(20);
+    expect(width).toBe(20);
+  });
+
+  it("responsiveFontSize", () => {
+    const fontSize = responsiveFontSize(2);
+    expect(fontSize).toBe(4.0794577223746264);
+  });
+
+  it("responsiveScreenHeight", () => {
+    const height = responsiveScreenHeight(20);
+    expect(height).toBe(20);
+  });
+
+  it("responsiveScreenWidth", () => {
+    const width = responsiveScreenWidth(20);
+    expect(width).toBe(20);
+  });
+
+  it("responsiveScreenFontSize", () => {
+    const fontSize = responsiveScreenFontSize(2);
+    expect(fontSize).toBe(4.0794577223746264);
+  });
+});
+
+export interface IDimensionsData {
+  window: {
+    height: number;
+    width: number;
+    fontSize: number;
+  };
+  screen: {
+    height: number;
+    width: number;
+    fontSize: number;
+  };
+}
+
+const useDimensionHooks = (): IDimensionsData => {
+  return {
+    window: {
+      height: useResponsiveHeight(20),
+      width: useResponsiveWidth(20),
+      fontSize: useResponsiveFontSize(2)
+    },
+    screen: {
+      height: useResponsiveScreenHeight(20),
+      width: useResponsiveScreenWidth(20),
+      fontSize: useResponsiveScreenFontSize(2)
+    }
+  };
+};
+
+const HookRenderer = ({
+  children
+}: {
+  children: (arg: IDimensionsData) => any;
+}) => {
+  const dimensionsData = useDimensionHooks();
+  return children(dimensionsData);
+};
+
+const setUpDimensionComponent = () => {
+  const dimensions = {} as IDimensionsData;
+
+  render(
+    <HookRenderer
+      children={(dimensionsData: IDimensionsData) => {
+        Object.assign(dimensions, dimensionsData);
+        return null;
+      }}
+    />
+  );
+
+  return dimensions;
+};
+
+describe("Testing Hooks", () => {
+  it("responsiveHooks", () => {
+    const data = setUpDimensionComponent();
+    expect(data).toStrictEqual({
+      window: { height: 20, width: 20, fontSize: 4.0794577223746264 },
+      screen: { height: 20, width: 20, fontSize: 4.0794577223746264 }
+    });
+  });
+});

__tests__/index.unit.test.tsx

@@ -5,6 +5,7 @@
   "main": "src/index.js",
   "scripts": {
     "build": "tsc -p .",
+    "start": "tsc -w",
     "test": "jest"
   },
   "files": [

package.json

@@ -67,5 +67,5 @@
     /* Advanced Options */
     "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
   },
-  "exclude": ["node_modules", "RNMasonryExample", "lib"]
+  "exclude": ["node_modules", "lib", "__mocks__", "__tests__"]
 }